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Equifax vs Experian vs illion: How Australia’s three credit bureaus differ

The short version Australia has three main credit bureaus - Equifax, Experian and illion - each maintaining separate credit files with different information, scoring models and report formats. While they all collect similar data under comprehensive credit reporting laws, the way they present information and handle disputes varies significantly between providers.

Australia’s credit system relies on three separate credit bureaus, each maintaining independent files on millions of consumers. Getting rejected for finance because of information held by one bureau can be particularly frustrating when the other two might tell a different story.

Each credit bureau – Equifax, Experian and illion – collects similar information but presents it differently, uses different scoring models and handles disputes through separate processes. Understanding these differences helps explain why your credit score might vary between providers and why checking all three reports is important when applying for finance.

Got a default on your credit file? Lodge it with Default Gone right here, or call us on (02) 5502 7025. $399 flat per consumer per default. We do not guarantee removal — outcomes depend on the facts of each case — but we will prepare and lodge the dispute properly.

The three credit bureaus at a glance

Australia’s comprehensive credit reporting system requires most credit providers to share information with all three bureaus, but the way that information is processed and presented differs significantly.

Equifax (formerly Veda)

Equifax is the largest credit bureau in Australia, holding files on approximately 19 million consumers. Originally known as Veda until the American company Equifax acquired it in 2016, it maintains the most comprehensive database of Australian credit information.

Key features:

  • Most detailed payment history data
  • Equifax Score ranges from 0-1,200
  • Monthly score updates
  • Comprehensive dispute tracking system
  • Integration with major bank systems

Experian

Experian operates globally and entered the Australian market in 2014. While newer to Australia, it has rapidly built a significant presence and offers some of the most consumer-friendly online tools.

Key features:

  • Experian Credit Score ranges from 0-1,000
  • Real-time score monitoring available
  • Clean, user-friendly report layout
  • International credit monitoring capabilities
  • Focus on identity protection services

illion (formerly Dun & Bradstreet)

Previously known as Dun & Bradstreet, illion rebranded in 2018. It focuses heavily on business credit reporting but maintains comprehensive consumer files.

Key features:

  • illion Credit Score ranges from 0-1,000
  • Strong emphasis on alternative data sources
  • Detailed address verification history
  • Business and consumer credit integration
  • Advanced analytics and risk assessment

How credit scores differ between bureaus

One of the most noticeable differences between the three bureaus is how they calculate credit scores. Despite using similar underlying data, the scoring models produce different results.

Scoring ranges and interpretation

Equifax Score (0-1,200):

  • Below Average: 0-459
  • Average: 460-660
  • Good: 661-734
  • Very Good: 735-852
  • Excellent: 853-1,200

Experian Score (0-1,000):

  • Poor: 0-549
  • Fair: 550-624
  • Good: 625-699
  • Very Good: 700-799
  • Excellent: 800-1,000

illion Score (0-1,000):

  • Room for improvement: 0-499
  • Fair: 500-699
  • Good: 700-799
  • Very Good: 800-899
  • Excellent: 900-1,000

Why scores vary between bureaus

The same person might have scores of 750 (Equifax), 680 (Experian) and 720 (illion). These variations occur because:

  • Different algorithms: Each bureau uses proprietary scoring models
  • Timing differences: Information may be reported to bureaus at different times
  • Data weighting: Different emphasis on payment history vs credit utilisation
  • Update frequency: Some bureaus update scores more frequently than others
  • Alternative data: illion incorporates additional data sources not used by others

Credit report format and presentation differences

While all three bureaus must include the same core information under Australian credit reporting laws, the way they present this information varies significantly.

Equifax report structure

Equifax provides the most detailed breakdown of information, particularly around payment history and defaults. The report sections include:

  • Personal details and identification
  • Credit score and factors affecting it
  • Payment history (24 months of detailed data)
  • Current credit accounts
  • Credit enquiries (5 years)
  • Defaults and adverse listings
  • Court judgements and writs
  • Bankruptcy information
  • Address history verification

Experian report layout

Experian focuses on clean presentation and consumer understanding. Their reports emphasise:

  • Clear credit score dashboard
  • Simplified payment history summary
  • Easy-to-read account summaries
  • Identity verification status
  • Credit monitoring alerts section
  • Educational content about credit factors

illion report features

illion provides comprehensive detail with a focus on verification and alternative data:

  • Detailed identity verification section
  • Business credit cross-references where applicable
  • Extensive address and employment history
  • Alternative data indicators
  • Risk assessment summaries
  • Comprehensive bureau file notes

Data collection and reporting differences

While comprehensive credit reporting laws require most credit providers to report to all three bureaus, some differences in data collection still exist.

Information timing

Credit providers typically report to all bureaus monthly, but not necessarily on the same date. This means:

  • Recent payments may appear on one report before others
  • New accounts might be listed with delays between bureaus
  • Default listings could have different notification dates
  • Account closures may be processed at different times

Coverage variations

Some smaller credit providers or alternative lenders may not report to all three bureaus, leading to:

  • Missing accounts on some reports
  • Incomplete payment history
  • Variations in credit utilisation calculations
  • Different enquiry records

Dispute processes: key differences

When challenging incorrect information, each bureau has its own dispute process with different timelines and requirements.

Equifax dispute process

  • Online dispute form with detailed categories
  • Phone support during business hours
  • Written dispute options available
  • 30-day investigation timeline
  • Detailed outcome explanations

Experian dispute process

  • Streamlined online dispute system
  • Real-time status updates
  • Mobile app integration
  • 30-day statutory timeline
  • Automated acknowledgment system

illion dispute process

  • Traditional written dispute emphasis
  • Phone support with case managers
  • Detailed documentation requirements
  • 30-day investigation period
  • Comprehensive outcome letters

Which credit bureau do lenders check?

Different lenders have preferences for which bureau they check, though many now check multiple sources:

Major banks

Most major banks check Equifax as their primary source due to its comprehensive data coverage. Some also cross-reference with Experian or illion for verification.

Non-bank lenders

Smaller lenders often use Experian due to its competitive pricing and API integration capabilities.

Specialist lenders

Some specialist finance providers prefer illion due to its business credit integration and alternative data sources.

Rental applications

Property managers increasingly use all three bureaus or specialised tenant checking services that aggregate data from multiple sources.

Checking all three reports: what to look for

When reviewing your credit files across all three bureaus, focus on these key areas:

Information consistency

  • Personal details match across all reports
  • Account balances and payment histories align
  • Default amounts and dates are identical
  • Address histories are complete and accurate
  • Employment information is current

Unique listings

Sometimes information appears on only one or two reports:

  • Accounts missing from some bureaus
  • Different enquiry records
  • Varied default listing dates
  • Inconsistent payment history lengths

Score variations

Significant differences in credit scores between bureaus may indicate:

  • Different data being used
  • Errors on one or more reports
  • Timing differences in updates
  • Account information discrepancies

What to check across all three credit reports

Before accepting a finance rejection or paying for credit dispute service services, review these elements across all three reports:

  • Default amounts and dates: Check if they match across bureaus and your records
  • Payment history accuracy: Verify that missed payments are correctly recorded
  • Account status: Ensure closed accounts are marked as closed
  • Personal details: Confirm names, addresses and dates of birth are correct
  • Enquiry legitimacy: Check that all credit enquiries were authorised by you
  • Duplicate listings: Look for the same debt listed multiple times
  • Statute of limitations: Verify that old information has been removed appropriately
  • Court judgement accuracy: Confirm any legal listings are correct and current
  • Identity verification: Ensure your identity markers are accurate across all files

For a comprehensive review of all three reports, you can access your free credit scan to identify potential discrepancies before they affect your finance applications.

Understanding comprehensive credit reporting

Since March 2014, Australia’s comprehensive credit reporting system has standardised much of what appears on credit files, but implementation differences between bureaus remain.

What must be reported

All three bureaus must include:

  • Identification information
  • Credit account details
  • Payment history (up to 24 months)
  • Credit enquiries
  • Defaults over $150
  • Court judgements
  • Bankruptcy records
  • Serious credit infringements

What may vary

  • Presentation and formatting
  • Additional services offered
  • Dispute resolution processes
  • Score calculation methods
  • Update frequencies
  • Consumer education resources

For detailed guidance on reading specific credit reports, see our guides on how to read your Equifax credit report and how to read your Experian credit report.

Common errors and how they spread

When incorrect information appears on one credit file, it often spreads to the others through the reporting process.

How errors propagate

  1. Credit provider reports incorrect information to all bureaus
  2. Error appears on all three reports simultaneously
  3. Consumer may only discover the error when checking one report
  4. Correcting the error requires disputing with each bureau separately
  5. Different bureaus may reach different conclusions about the same dispute

Preventing error spread

To minimise the impact of credit file errors:

  • Check all three reports regularly
  • Dispute errors promptly with all affected bureaus
  • Keep detailed records of all communications
  • Monitor for recurring errors after correction
  • Consider professional assistance for complex disputes

How Default Gone helps

Default Gone helps Australians challenge unfair, incorrect or unlawfully listed defaults. We collect the relevant information, prepare the dispute, lodge it with the credit provider and/or credit reporting body, track the response and explain the outcome in plain English.

The standard Default Gone service is $399 per consumer, per default (limited launch pricing — normally $399). There are no stage fees, no success fees and no surprise invoices. The fee covers the work performed, not a sought outcome.

Our automated compliance review system checks defaults across all three credit bureaus – Equifax, Experian and illion – to identify potential grounds for dispute. Whether the error appears on one bureau or all three, we handle the dispute process with each relevant organisation.

Next steps: getting your complete credit picture

Understanding the differences between Equifax, Experian and illion helps explain why checking all three reports is crucial before making major financial decisions. Each bureau maintains independent files that may contain different information, present data differently and handle disputes through separate processes.

If you’ve been rejected for finance or are planning to apply for credit, reviewing all three reports gives you the complete picture of how lenders will assess your application. Where defaults or other adverse listings appear across multiple bureaus, it may be worth investigating whether they were listed correctly and following the required process.

Tired of being held back by a default?

Let’s challenge it properly.

$399 flat per consumer per default. We prepare your dispute under the Privacy Act 1988 framework, review the detail, and file it to the credit reporting body and the credit provider. We do not guarantee removal — outcomes depend on the facts of each case — but we will do every bit of work that fits.

Lodge your default · Call (02) 5502 7025 · See pricing · How it works

For brokers, dealers & finance professionals

Client stuck because of a default? Don’t lose the deal.

If a client’s finance application is held up by a default, you do not have to lose the client. Default Gone runs the entire dispute process — structured intake, document collection, lodgement and tracking. You keep the relationship. Our referral program shares the value with brokers, dealers, accountants and real estate agents who introduce clients we engage.

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Disclaimer

Default Gone is not a law firm and does not provide legal or financial advice. We do not undertaking that a default or judgement will be removed. Outcomes depend on the facts, documents and response from the credit provider, credit reporting body or relevant legal pathway.

Frequently asked questions

Q: Do I need to check all three credit bureaus or just one?

A: While most lenders check Equifax as their primary source, different lenders use different bureaus and the information can vary between them. Checking all three gives you the complete picture of your credit profile and helps identify any inconsistencies that might affect your applications.

Q: Why is my credit score different on each bureau?

A: Each bureau uses different scoring algorithms, updates at different frequencies and may receive information at different times. Variations of 50-100 points between bureaus are common even with identical underlying data. The scoring ranges are also different – Equifax uses 0-1,200 while Experian and illion use 0-1,000.

Q: If I dispute an error with one bureau, do I need to dispute it with all three?

A: Yes, you need to dispute errors with each bureau separately. Even though the same credit provider may have reported incorrect information to all three, each bureau has its own dispute process and may reach different conclusions. Correcting an error with Equifax doesn’t automatically fix it on your Experian or illion files.

Q: Which credit bureau do banks prefer when assessing loan applications?

A: Most major banks primarily use Equifax due to its comprehensive data coverage and long history in Australia. However, many lenders now check multiple bureaus or use aggregated data from all three. Non-bank lenders often prefer Experian for its competitive pricing and integration capabilities.

Q: How often do the three bureaus update credit information?

A: Credit providers typically report to all bureaus monthly, but not necessarily on the same date. Equifax updates scores monthly, Experian offers real-time monitoring, and illion updates regularly but less frequently than the others. This means recent changes might appear on one report before others.

Q: Can information appear on one credit bureau but not the others?

A: Yes, while comprehensive credit reporting requires most providers to report to all bureaus, some smaller lenders or alternative finance companies may not report to every bureau. Additionally, timing differences mean recent account changes might appear on one report first.

Q: Do all three bureaus charge the same fees for credit reports?

A: All three bureaus must provide one free credit report per year under Australian law. Additional reports, monitoring services and credit scores may have different pricing structures. Many now offer free basic credit scores and reports as part of their consumer engagement strategies.

Q: If I have a default on all three reports, does that make it harder to dispute?

A: Not necessarily. If the same error appears across all three bureaus, it’s likely the credit provider reported incorrect information to everyone. This might actually strengthen your dispute case as it demonstrates a systematic error in the original reporting process rather than a bureau-specific mistake.

If you advise clients on credit-related matters, our broker referral program may be a fit.

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